Resistance device



C. L. EASTBURG RES ISTANGE DEVICE March 10, 1942.

Filed Sept. 7, 1940 2 Sheets-Sheet 1 March 10, 1942.

Filed Sept. 7, 1940 2 Sheets-Sheet 2 inFig.

Patented Mar. 10, 1942 UNITED STATES PATENT OFFICE Clifford L. Eastburg, The Timken Roller Bearing Company, Canton,

Ohio, a co poration 0101110 Application September 7, 1940, Serial No. 355,762

8Claims. (01.10540) This invention relates to lateral motion resistance devices for railway locomotives and cars. The invention has for its principal objects a simple and inexpensive lateral motionresistance device which is positioned above the locomotive axle; which normally, when the locomotive is on a straight track, will exert no pressure on the driving boxes and place no thrust load on the bearings in the driving boxes and which when-- the railway locomotive or car is going around a curve will absorb lateral shocks and strains and will tend to retain the running gear parts in normal position. Other pbjects are to provide a lateral motion resistance device which may be easily installed, repaired or replaced without disturbing the journal boxes.

My invention consists principally in a lateral motion cushioning or resistance device which has U-shaped members mounted above the axle on seats provided therefor on the journal boxes, said U-shaped members having openings therein extending parallel with the axle to receive the U-shapedmembers, said shafts having sleeves at their centralportion, and springs mounted on said shafts. 'The invention further consists in the lateral motion cushioning device and in the parts and combinations and arrangements of parts hereinafter described and claimed.

In the accompanying drawings wherein like reference numerals refer to likeparts wherever they occur,

Fig. 1 is a plan view of a portion of a truck having a lateral motion resistance device embodying my invention,

Fig. 2 is a side elevational view,

Fig. 3 is an enlarged fragmentary plan view, is an enlarged fragmentary side view, is a view taken on the line 5-5 in Figs.

Fig Fig.

an enlarged view taken on the line 6-8 in Fig. 1.

8 is a plan view of a modification; and Fig. 9 is a sectional view taken on the line 9-9 My invention is illustrated in connection with a locomotive driving axle construction but it may be employed with any axle construction of any railway vehicle or with an other vehicle or construction wherein it may be desirable to use a lateral motion resistance device.

I As illustrated in-the drawings, the driving axle construction comprises an axle I having a wheel ends of shafts which extend between saida ectional view taken on the line 1-1 v way of its length,

- journal box. Resting 'I'hejournal boxes 3 may be of any suitable type or construction and maybe provided'with any suitable bearings. A preferred arrangement is that of the individual journal box construction illustrated, which construction is substantially identical for each journal box. Each journal box is provided with roller bearings which are disposed between the journal box and the journal portion of the axle. The bearings comprise two double inner raceway members or cones 5, each having a circumferential n'b 6 about midboth directions toward ribs 1 at the ends thereof. Surrounding each of the conical bearing surfaces thus formed are a series of tapered rollers Bthat cooperate therewith. A suitable cage 9 isprovided for each series of'rollers. The two endmost series of rollers are each provided with a single outer raceway member or cup HI and the two intermediate series of rollers are provided with a double cup H having bore portions that taper toward the center thereof.

Suitable end closure members I I2 are provided for the journal box and the innermost end is provided with an additional dish-shaped impeller ring l3 between the end closure and the end of the adjacent bearing.

The bearings are supported at their lower pot.- tions by a suitable member It provided therefor in the lower portion of the journal box. The sump portion of the bottom of the journal box has a threaded opening in which is screwed a thermic telltale Is that also serves as a drain ug.

journal box has a seat A pair of upstanding wardly from the upper guide lugs l'l extend upcorners of the top of said on the seat It is a yoke I 8 having a middle portion which extends substantially parallel with the innermost end of the journal box and arms extending from said middle portion toward the side members of the frame and which are substantially parallel with the sides of the journal box. The guide lugs I! serve to position the yoke, the inner side of the arms of the yokes [8 being adjacent to the outer side faces of these lugs. A shaft 19 extends transversely across the top of the-journal box and the ends thereof extend through openings 20 in the guide lugs II and into slots 2| in the arms of the yoke. Cotter pins 22 are placed in openings in and from this rib tapering-in The upper portion of the inner end of each 7 I 6 extending therefrom.

the shaft adjacent to the inside side face of each lug to retain the shaft in position. The shaft serves to prevent the yoke from vertical movement.

Openings 23 in the yokes are adapted to receive the ends of shafts 24 extending transversely across the frame to connect the yokes. These shafts have sleeves 25 on their central portions and. springs 26 are mounted on the shafts, the ends of which abut against the sleeves on the shafts and against bosses 21 extending fromthe yokes l3. Bolts 28 extend through openings in the yokes and through slots 29 in the ends of the shafts to retain the shafts in position and cotter pins 30 extend through openings in the lower ends of the bolts to hold said bolts in place. Bosses 3| extending outwardly from the side members of the frame adjacent to the. ends of However, when the locomotive is traveling around a curved section of track and the axle is displaced sufliciently to compress the springs,

there will be a thrust load on one of the bearings. The hereinbefore described device operates as follows: When the locomotive is traveling on a straight stretch of track, the lateral motion device is in the position shown in Fig. l. The ends of the thrust yokes are clear of the side members of the frame. However, when the locomotive begins to travel around a. curved stretch of track, considerable lateral pressure is built up toward the outer side of the curve tending to move the parts out of their normal position. The lateral motion resistance device serves to counteract this lateral pressure andtends to return the parts to their usual position. As the train enters a curved stretch of track and the lateral pressure increases, the thrust yoke IS on the outside of the curve engages the bosses 3i on-the side frame, movement of the yoke being permitted by the slots 29. Also, the ends of the shafts 24 on the outer side of the curve, move in the openings 23 in the yokes, the slots 29 in the ends of the shafts permitting considerable endwise movement thereof. The movement of the shaft brings the ends of the yoke on the outer side of the curve into contact with the side of the frame and compresses the springs with the pressure therefrom, thereby resisting the lateral movement and tending to return the parts to their normal position. Thus, lateral thrusts and shocks are minimized. When the locomotive returns to a straight stretch of track, the pressure of the lateral motion resistance device returns the parts to their normal position as shown in Fig. 1.

In th modification shown in Figs. 8 and 9, the. Journal box and bearing construction is in the ears are adapted to receive a shaft 36 which extends through the opening in the lug. Cotter pins 31 extend through small openings in the shaft to retain the shaft in position. This shaft prevents the thrust yoke from moving up and down. Each yoke has an opening 33 parallel with the axle which is-adapted to receive a shaft 39 connecting the yokes on the journal boxes. This shaft 33 has a spring 40 mounted thereon, the ends of which abut against the yokes. Vertical slots 4| in the yokes are provided fora pin 32 which extends through openings at each end of the shaft to retain said shaft in position. I

The operation of the modification is similar to that described above.

Obviously, numerous modifications may be made and I do not wish to be limited to the precise construction shown.

What I claim is:

1. The combination in a railway vehicle having side frame member of journal boxes having guide lugs extending upwardly from. the tops thereof and seats extending from the upper portion of the inner ends thereof, said journal boxes being mounted for limited lateral movement from their normal position relative to the side frame members, a lateral motion resisting device comprising U-shaped thrust yokes having acentral portion and arm portions extending-therefrom, said yokes seating on said seats and the arms thereof being adjacent to said guide lugs,

the ends of said arms being adjacent to said side frame members, said arms having slots therethrough and said lugs having openings therethrough, a shaft extending through said openings and said slots, the central portion of said I yokes having openings therein, said openings resimilar to that described above. A lug 32 projects from the top of each journal box and has an opening 33 extending transversely therethrough. A yoke 34 having a recess and upwardly extending ears or supports 35 adjacent to the recess seats on the top of said journal box, the upstanding ears being adjacent to said lug. Openings ceiving the ends of shafts connecting said U- shaped yokes, the end portions of said shafts having slots therethrough, bolts extending through said yokes and said slots, said shafts having sleeves mounted thereon, and springs mounted on said shafts, the ends of which abut against said sleeves and against said yokes, the ends of one of said yokes being adapted to contact the adjacent side frame member and compress said-"springs when said axle and journal boxes move laterally in that direction and said' opposite yoke being adapted. to contact the adjacent journal box to force said axle-and said journal boxes back into their normal position in respect to said side frame members.

2. The combination in a railway vehicle having side frame members offjournal boxes having lugs extending upwardly from the tops thereof and seats extending outwardly from the upper portions of the inner ends thereof, said joumai boxes being mounted for limited lateral movement from their normal position relative to the side frame members, a -lateral motion resisting device comprising thrust yokes, each of which has arms extending adjacents to the sides of said journal boxes and upstanding ears adjacent to the sides of said lugs, said yokes seating on said seats, the ends of said yokes contacting said side frame members, said ears and said lugs'having openings therethrough and shafts extending through said openings, a shaft connecting said yokes, and a spring mounted on said shaft, the ends of which abut against said yokes, the ends of one of said yokes being adapted to contact the adjacent side frame member and compress said springs when said axle and journal boxes move laterally in that direction and said opposite yoke aavaaso being' adapted to contact the adjacent journal box to force said axle and said journal boxes back into their normal position in respect to said side frame members.

3. The combination in a railway vehicle having side frame members of an axle journaled in said journal boxes back into their normal position in respect to said side frame members.

6. The combination in a railway vehicle having side frame members of an axle journaled-in journal boxes mounted in said side frame members, said axle andjoumal boxes being mounted journal boxes mounted in said side frame members, said axle and journal boxes being mounted for limited lateral movement from their normal position relative to said .side frame members, said journal boxes having seats on the upper portions thereof, a lateral motion resistancedevice comprising thrust members seated on said seats, said thrust members having arms extending adjacent to the sides of said journal boxes, the ends of said arms being adjacent to said side frame members, a shaft connecting said thrust members, and a spring mounted on said shaft, the ends of one of said thrust members being adapted to contact the adjacent side frame member when said axle and journal boxes move laterally in that direction and said opposite thrust member being adapted to contact the adjacent journal box to force said axle and journal boxes back into their normal position in respect to said side frame members.

4. The combination in a railway vehicle hav- Y ing side frame members of an axle journaled in journal boxes mounted in said side frame members, said axle and journal boxes being mounted for limited lateral movement from their normal position relative to said side frame members, said journal boxes having seats extending from the upper portions-thereof, a lateral motion resistance device comprising thrust yokes seated on said seats, said yokes having arms extending adjacent to the sides of said journal boxes, the ends of said arms being adjacent to said side frame members, said thrust yokes having openings therein, a shaft connecting said yokes, a spring mounted on said shaft, the ends of said spring abutting against said yokes, the ends of one of said arms being adapted to contact the adjacent side frame member and compress said springs when said axle and journal boxes move laterally in that direction and said opposite thrust member being adapted to contact the adjacent journal box to force said axle and journal boxes back into their normal position in respect to said side frame members.

5. The combination in a railway vehicle having side frame members of an axle journaled in journal boxes mounted in said side frame members, said axle and journal boxes being mounted for limited lateral movement'from their normal position relative to said side frame members, said journal boxes having seats extending from the upper portions thereof, a lateral motion resisting device comprising thrust yokes seated on said seats, said thrust yokes having arms extending adjacent to the sides of said journal boxes, the ends of said arms being adjacent to said side frame members, said yokes having openings therein, a shaft connecting said yokes and slideably mounted in said openings, the end portions of said shaft having openings therethrough, slots in saidpins extending through said openings and into said slots, and a spring mounted on said shaft, the ends of said spring abutting against said yokes, the ends of one of said yokes being adapted to contact the adjacent'side frame member and compress said springs when said axle and journal boxes move laterally in that. direction and said opposite yoke being adapted to contact the adjacent journal box'to force said axle and the ends of one of yokes, each having shaped thrust yokes,

'yokes seating on said for limited lateral position relative to journal boxes having seats extending from the movement from their normal upper portions thereof, a lateral motion resisting device comprising thrust yokes, each having a central portion and arm portions extending.

therefrom, said yokes seating on said seats and the ends of the arms thereof being adjacent to said side frame members, said central portions of said yokes having openings, shafts connecting said yokes and slidable in saidv openings and springs mounted on said shafts, the'ends of one of said yokes being adapted to contact the admember and compress said,

jacent side frame springs when said axle and journal boxes move laterally in that direction and said opposite yoke a contact the adjacent journal axle and said journal boxes being adapted to box to force said back into their'normal position in respect to said side frame members.

7. The combination in a railway vehicle havtion of the inner ends of said journal boxes, a

lateral motion resisting device comprising thrust a central portion and arm portions extending therefrom, said yokes seating on said seats and the arms thereof being adjacent to said guidelugs, the ends of said arms,

being adjacent to said side frame members, said central portions of said yokes having openings therein, shafts connecting said yokes and slidable in said openings, said shafts having sleeves mounted thereon, and springs mounted on said shafts, the endsof said springs abutting against the sleeves on said shafts, and againt said yokes, said yokes being adapted to contact the adjacent side frame member and compress said springs when said axle and journal boxes move laterally in that direction and said opposite yoke being adapted to contact the.

adjacent journal box to force said axle and said journal boxes back into their normal position in respect to said side frame members.

8. The combination in a raliway vehicle having side frame members of an axle journaled in journal boxes mounted in said side frame members, said axle and journal boxes being mounted for limited lateral movement from their normal position relative to said side frame members, said journal boxes having guide lugs extending upwardly from the inner uppercorners thereof and seats extending outwardly from the upper portion of the inner ends of said journal boxes, a lateral motion resisting device comprising U- each having a central portion and arm portions extending therefrom, said seats and the arms thereof being adjacent to said guide lugs, the ends of said arms being adjacent to said side frame members, said central portions of said yokes having openingstherein, shafts connecting said yokes and slidable in said openings, the end portions of said said side frame members, said 4 asmaao shafts having slots therethrough, bolts extending through said yokes and said slots, said shafts having sleeves mounted thereon, and springs mounted on said shafts, the ends of said springs abutting against the sleeves on said shaft and against said yokes, the ends of one of. said yokes being adapted to contact the adjacent side frame member and compress said springs when said axle and journal boxes move laterally in that direction and said opposite yoke being adapted to contact the adjacent journal box to force said axle and said journal boxes back into their normal position in respect to said side frame members.

CLIFFORD L. EASTBURG. 

